The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
scsi_6_lba_len – Get LBA and transfer length Synopsis void scsi_6_lba_len(const u8 *cdb, u64 *plba, u32 *plen); Arguments cdb SCSI command to translate plba the LBA plen the transfer length Description Calculate LBA and transfer length for 6-byte commands. Author Jeff Garzik Author. Copyright
scsi_16_lba_len – Get LBA and transfer length Synopsis void scsi_16_lba_len(const u8 *cdb, u64 *plba, u32 *plen); Arguments cdb SCSI command to translate plba the LBA plen the transfer length Description Calculate LBA and transfer length for 16-byte commands. Author Jeff Garzik Author. Copyright
scsi_10_lba_len – Get LBA and transfer length Synopsis void scsi_10_lba_len(const u8 *cdb, u64 *plba, u32 *plen); Arguments cdb SCSI command to translate plba the LBA plen the transfer length Description Calculate LBA and transfer length for 10-byte commands. Author Jeff Garzik Author. Copyright
scnprintf – Format a string and place it in a buffer Synopsis int scnprintf(char *buf, size_t size, const char *fmt, …); Arguments buf The buffer to place the result into size The size of the buffer, including the trailing null space fmt The format string to use … Arguments for the format string Description The…
scan_read_oob – [GENERIC] Scan data+OOB region to buffer Synopsis int scan_read_oob(struct mtd_info *mtd, uint8_t *buf, loff_t offs, size_t len); Arguments mtd MTD device structure buf temporary buffer offs offset at which to scan len length of data region to read Description Scan read data from data+OOB. May traverse multiple pages, interleaving page,OOB,page,OOB,… in buf. Completes…
sb_start_write – get write access to a superblock Synopsis void sb_start_write(struct super_block *sb); Arguments sb the super we write to Description When a process wants to write data or metadata to a file system (i.e. dirty a page or an inode), it should embed the operation in a sb_start_write – sb_end_write pair to get exclusion…
sb_start_pagefault – get write access to a superblock from a page fault Synopsis void sb_start_pagefault(struct super_block *sb); Arguments sb the super we write to Description When a process starts handling write page fault, it should embed the operation into sb_start_pagefault – sb_end_pagefault pair to get exclusion against file system freezing. This is needed since the…
sb_end_write – drop write access to a superblock Synopsis void sb_end_write(struct super_block *sb); Arguments sb the super we wrote to Description Decrement number of writers to the filesystem. Wake up possible waiters wanting to freeze the filesystem. Copyright
sb_end_pagefault – drop write access to a superblock from a page fault Synopsis void sb_end_pagefault(struct super_block *sb); Arguments sb the super we wrote to Description Decrement number of processes handling write page fault to the filesystem. Wake up possible waiters wanting to freeze the filesystem. Copyright
sb_end_intwrite – drop write access to a superblock for internal fs purposes Synopsis void sb_end_intwrite(struct super_block *sb); Arguments sb the super we wrote to Description Decrement fs-internal number of writers to the filesystem. Wake up possible waiters wanting to freeze the filesystem. Copyright
sata_std_hardreset – COMRESET w/o waiting or classification Synopsis int sata_std_hardreset(struct ata_link *link, unsigned int *class, unsigned long deadline); Arguments link link to reset class resulting class of attached device deadline deadline jiffies for the operation Description Standard SATA COMRESET w/o waiting or classification. LOCKING: Kernel thread context (may sleep) Return 0 if link offline, -EAGAIN…
sata_set_spd_needed – is SATA spd configuration needed Synopsis int sata_set_spd_needed(struct ata_link *link); Arguments link Link in question Description Test whether the spd limit in SControl matches link->sata_spd_limit. This function is used to determine whether hardreset is necessary to apply SATA spd configuration. LOCKING: Inherited from caller. Return 1 if SATA spd configuration is needed, 0…
sata_set_spd – set SATA spd according to spd limit Synopsis int sata_set_spd(struct ata_link *link); Arguments link Link to set SATA spd for Description Set SATA spd of link according to sata_spd_limit. LOCKING: Inherited from caller. Return 0 if spd doesn’t need to be changed, 1 if spd has been changed. Negative errno if SCR registers…
sata_scr_write_flush – write SCR register of the specified port and flush Synopsis int sata_scr_write_flush(struct ata_link *link, int reg, u32 val); Arguments link ATA link to write SCR for reg SCR to write val value to write Description This function is identical to sata_scr_write except that this function performs flush after writing to the register. LOCKING:…
sata_scr_write – write SCR register of the specified port Synopsis int sata_scr_write(struct ata_link *link, int reg, u32 val); Arguments link ATA link to write SCR for reg SCR to write val value to write Description Write val to SCR register reg of link. This function is guaranteed to succeed if link is ap->link, the cable…
sata_scr_valid – test whether SCRs are accessible Synopsis int sata_scr_valid(struct ata_link *link); Arguments link ATA link to test SCR accessibility for Description Test whether SCRs are accessible for link. LOCKING: None. Return 1 if SCRs are accessible, 0 otherwise. Author Jeff Garzik Author. Copyright
sata_scr_read – read SCR register of the specified port Synopsis int sata_scr_read(struct ata_link *link, int reg, u32 *val); Arguments link ATA link to read SCR for reg SCR to read val Place to store read value Description Read SCR register reg of link into *val. This function is guaranteed to succeed if link is ap->link,…
sata_print_link_status – Print SATA link status Synopsis void sata_print_link_status(struct ata_link *link); Arguments link SATA link to printk link status about Description This function prints link speed and status of a SATA link. LOCKING: None. Author Jeff Garzik Author. Copyright
sata_lpm_ignore_phy_events – test if PHY event should be ignored Synopsis bool sata_lpm_ignore_phy_events(struct ata_link * link); Arguments link Link receiving the event Description Test whether the received PHY event has to be ignored or not. LOCKING: None: Return True if the event has to be ignored. Author Jeff Garzik Author. Copyright
sata_link_scr_lpm – manipulate SControl IPM and SPM fields Synopsis int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy, bool spm_wakeup); Arguments link ATA link to manipulate SControl for policy LPM policy to configure spm_wakeup initiate LPM transition to active state Description Manipulate the IPM field of the SControl register of link according to policy. If policy is…